| 摘要 |
A grain combined harvester contains a driver cab, an engine, a hydraulic system of moving the combined harvester, an undercarriage, which consists of the front driving axle and back driven one, and an operating part, comprising a reaper, an inclined chamber, a thresher, loading devices, unloading ones, a separating device and a transporting one and a grain tank. The hydraulic system consists of two hydraulic pumps, fixed on the engine shaft, the first of which is connected to the hydraulic engine, mounted on an axle bridge of driving wheels of the undercarriage, by a hydraulic drive, and the second is connected to the hydraulic engine, connected to the thresher and arranged in such a manner as to allow bringing into operation the elements of the operating part connected in series.
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